51939-278LF

Series:	PwrBlade®
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Usage:	--
Connector Type:	Header, Male Pins and Blades
Connector Style:	Blade Power
Number of Positions:	36
Number of Positions Loaded:	All
Pitch:	0.100" (2.54mm)
Number of Rows:	4
Number of Columns:	--
Mounting Type:	Board Edge, Through Hole, Right Angle
Termination:	Solder
Contact Layout, Typical:	24 Signal, 12 Power
Features:	Board Lock, Mating Guide
Contact Finish:	Gold or Gold, GXT™
Contact Finish Thickness:	30.0µin (0.76µm)
Color:	Black
Current Rating:	--
Material Flammability Rating:	UL94 V-0
Operating Temperature:	-20°C ~ 105°C
Voltage Rating:	--

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Backplane Connectors - Specialized: 51939-278LF Application Field and Working Principle

Backplane connectors are specialized multi-pin connectors typically used for interconnecting different PCBs in systems that require high-density or high-performance data connections. They are most commonly found on servers and storage systems, used to connect the mainboard to CPU, memory, and storage height adapters.The 51939-278LF is a specialized type of backplane connector designed by Molex. It’s a 15-pin connector featuring two slots that allow for connection of different types of boards, such as a printer or a rack-mount server. It offers low-cost hardware solutions for signal transmissions. The 15 pins are arranged in 7 vertical columns, with each column having 1, 2, or 3 pins. The middle column has two pins.In terms of operation, this connector works on a basic principle. Two opposing contact points make contact with each other when the connector is plugged in. These contact points are connected to electrical lines that cross the board, delivering data or power to components. The 51939-278LF also includes a mechanism that locks the connector in place, ensuring a secure connection.This backplane connector is optimal for applications that require reliable data transmissions, such as computer networks and audio/video equipment. It is the most robust connector in its class, as it can be used for high-frequency signal transmissions, and it is designed to be vibration-resistant. It is suitable for use in high-density applications, and it is designed to provide a low-cost hardware solution with improved signal integrity.The 51939-278LF connector’s advantages can be seen in applications that require a high number of contacts, tight integration, or mechanical stability. Its standard size and shape make it easy to mount and integrate, and its vibration-resistant design ensures reliable signal transmissions.The 51939-278LF connector is manufactured with high-quality materials that are resistant to corrosion. The gold-plated contacts help to ensure improved electrical contact and consistent performance. In addition, its construction also helps to protect the connector from dust and moisture. The connector is also designed to prevent unintended detachment.Overall, the 51939-278LF is an ideal solution for applications that require reliable transmission of high-frequency signals. It is ideally suited for interconnecting boards in high-density applications, and its reliable construction ensures consistent performance for long periods of time. Its gold-plated contacts provide excellent electrical conductivity and its vibration-resistant design prevents damage to the contacts during operation.

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